106530031 has 2 divisors, whose sum is σ = 106530032. Its totient is φ = 106530030.

The previous prime is 106530023. The next prime is 106530037. The reversal of 106530031 is 130035601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 106530031 - 2³ = 106530023 is a prime.

It is a super-2 number, since 2×106530031² = 22697295009721922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 106529990 and 106530008.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106530037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53265015 + 53265016.

It is an arithmetic number, because the mean of its divisors is an integer number (53265016).

Almost surely, 2^106530031 is an apocalyptic number.

106530031 is a deficient number, since it is larger than the sum of its proper divisors (1).

106530031 is an equidigital number, since it uses as much as digits as its factorization.

106530031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 106530031 is about 10321.3386244227. The cubic root of 106530031 is about 474.0498547026.

Adding to 106530031 its reverse (130035601), we get a palindrome (236565632).

The spelling of 106530031 in words is "one hundred six million, five hundred thirty thousand, thirty-one".